MAX1480 Maxim, MAX1480 Datasheet - Page 3

• Manufacturer Part Number: MAX1480
• Description: Complete / Isolated RS-485/RS-422 Data Interface
• Manufacturer: Maxim

SWITCHING CHARACTERISTICS—MAX1480A/MAX1490A
(V
ELECTRICAL CHARACTERISTICS (continued)
(V
(Notes 1, 2)
Differential Driver Output
(with load)
Change in Magnitude of
Driver Output Voltage for
Complementary Output States
Driver Common-Mode Output
Input Current (A, B)
Receiver Input Resistance
Receiver Differential Threshold
Receiver Input Hysteresis
Receiver Output/Receiver
Output Low Voltage
Receiver Output/Receiver
Output High Current
Driver Short-Circuit Current
Driver Input to Output
Propagation Delay
Driver Output Skew
Driver Rise or Fall Time
Driver Enable to Output High
(MAX1480A only)
Driver Enable to Output Low
(MAX1480A only)
Driver Disable Time from Low
(MAX1480A only)
Driver Disable Time from High
(MAX1480A only)
Receiver Input to Output
Propagation Delay
I
Receiver Skew
CC_
CC_
t
PLH
= 5V ±10%, FS = V
= 5V ±10%, V
- t
PARAMETER
PHL
PARAMETER
I
Differential
_______________________________________________________________________________________
FS
= V
CC_
CC_
, T
A
, T
= T
SYMBOL
ISO I
A
SYMBOL
ISO I
∆V
V
∆V
V
V
V
MIN
R
I
t
= T
OD2
OH
SKEW
t
t
t
t
t
t
Complete, Isolated RS-485/RS-422
OC
TH
OL
R,
SKD
PLH
PHL
t
t
PLH
PHL
IN
t
t
OD
TH
ZH
HZ
OSD
ZL
LZ
IN
t
MIN
to T
F
MAX
to T
R = 50Ω (RS-422)
R = 27Ω (RS-485), Figure 4
R = 27Ω or 50Ω, Figure 4
R = 27Ω or 50Ω, Figure 4
DE
V
-7V ≤ V
-7V ≤ V
V
Using resistor values listed in Tables 1 and 2
V
-7V ≤ V
Figures 5 and 7, R
C
Figures 5 and 7, R
Figures 5 and 7, R
Figures 6 and 8, C
Figures 6 and 8, C
Figures 6 and 8, C
Figures 6 and 8, C
Figures 5 and 10, R
Figures 5 and 10, R
CC_
CM
OUT
, unless otherwise noted. Typical values are at V
MAX
L1
´
= 0V,
= 0V
= C
= 0V or 5.5V
= 5.5V
, unless otherwise noted. Typical values are at V
CM
CM
O
L2
≤ 12V (Note 4)
≤ 12V
≤ 12V
= 100pF
CONDITIONS
CONDITIONS
DIFF
DIFF
L
L
L
L
DIFF
DIFF
DIFF
V
V
= 100pF, S2 closed
= 100pF, S1 closed
= 15pF, S1 closed
= 15pF, S2 closed
IN
IN
= 54Ω, C
= 54Ω, C
= 54Ω,
= 54Ω, C
= 54Ω, C
= 12V
= -7V
L1
L1
Differential
Common Mode
MAX1490A/B
MAX1480A/B/C
MAX1490A/B
MAX1480A/B/C
L1
L1
= C
= C
= C
= C
L2
L2
L2
L2
= 100pF
= 100pF
= 100pF
= 100pF
Data Interface
CC_
MIN
MIN
-0.2
1.5
12
= 5V and T
2
CC_
= 5V and T
TYP
TYP
100
100
100
100
100
0.2
0.2
0.2
0.2
25
15
20
70
A
= +25°C.)
MAX
MAX
0.25
275
275
225
225
250
1.5
1.5
1.5
1.5
0.3
0.3
0.2
0.8
0.2
0.4
90
40
5
4
1
A
= +25°C.)
UNITS
UNITS
mA
mV
mA
kΩ
µA
ns
ns
ns
µs
µs
µs
µs
ns
ns
V
V
V
V
V
3